Monthly Marks Per Metric Ton
1879-01-01 173.000
1879-02-01 174.000
1879-03-01 176.800
1879-04-01 179.500
1879-05-01 192.500
1879-06-01 188.500
1879-07-01 194.000
1879-08-01 200.000
1879-09-01 206.500
1879-10-01 229.000
1879-11-01 226.500
1879-12-01 234.000
1880-01-01 232.200
1880-02-01 228.500
1880-03-01 228.000
1880-04-01 217.000
1880-05-01 221.800
1880-06-01 221.500
1880-07-01 226.300
1880-08-01 204.000
1880-09-01 204.200
1880-10-01 212.500
1880-11-01 212.100
1880-12-01 206.000
1881-01-01 203.000
1881-02-01 206.000
1881-03-01 208.500
1881-04-01 219.200
1881-05-01 224.400
1881-06-01 215.500
1881-07-01 210.900
1881-08-01 221.100
1881-09-01 233.500
1881-10-01 234.100
1881-11-01 235.500
1881-12-01 221.800
1882-01-01 219.000
1882-02-01 221.000
1882-03-01 219.500
1882-04-01 228.800
1882-05-01 227.800
1882-06-01 211.200
1882-07-01 213.000
1882-08-01 206.800
1882-09-01 172.800
1882-10-01 179.900
1882-11-01 174.500
1882-12-01 176.200
1883-01-01 176.800
1883-02-01 185.000
1883-03-01 184.500
1883-04-01 189.800
1883-05-01 196.000
1883-06-01 187.000
1883-07-01 195.200
1883-08-01 197.700
1883-09-01 185.700
1883-10-01 177.200
1883-11-01 178.800
1883-12-01 179.100
1884-01-01 172.900
1884-02-01 173.500
1884-03-01 171.400
1884-04-01 166.200
1884-05-01 169.200
1884-06-01 170.500
1884-07-01 167.800
1884-08-01 153.100
1884-09-01 147.700
1884-10-01 149.000
1884-11-01 152.100
1884-12-01 153.000
1885-01-01 159.400
1885-02-01 162.500
1885-03-01 164.800
1885-04-01 171.000
1885-05-01 174.000
1885-06-01 168.500
1885-07-01 165.400
1885-08-01 155.400
1885-09-01 152.500
1885-10-01 157.000
1885-11-01 153.800
1885-12-01 146.600
1886-01-01 147.000
1886-02-01 149.400
1886-03-01 153.800
1886-04-01 153.500
1886-05-01 152.000
1886-06-01 145.200
1886-07-01 147.600
1886-08-01 156.500
1886-09-01 151.800
1886-10-01 150.000
1886-11-01 150.200
1886-12-01 158.900
1887-01-01 163.300
1887-02-01 161.200
1887-03-01 161.200
1887-04-01 169.000
1887-05-01 181.600
1887-06-01 185.200
1887-07-01 181.300
1887-08-01 153.000
1887-09-01 147.500
1887-10-01 150.000
1887-11-01 159.000
1887-12-01 160.200
1888-01-01 162.600
1888-02-01 161.000
1888-03-01 161.200
1888-04-01 169.900
1888-05-01 174.500
1888-06-01 166.500
1888-07-01 165.900
1888-08-01 172.200
1888-09-01 183.500
1888-10-01 187.400
1888-11-01 185.300
1888-12-01 176.800
1889-01-01 192.300
1889-02-01 191.900
1889-03-01 188.400
1889-04-01 185.000
1889-05-01 184.000
1889-06-01 183.200
1889-07-01 186.800
1889-08-01 189.000
1889-09-01 188.000
1889-10-01 184.700
1889-11-01 185.000
1889-12-01 194.300
1890-01-01 196.600
1890-02-01 195.600
1890-03-01 194.600
1890-04-01 194.700
1890-05-01 198.200
1890-06-01 197.000
1890-07-01 209.100
1890-08-01 195.000
1890-09-01 192.000
1890-10-01 191.200
1890-11-01 191.200
1890-12-01 189.500
1891-01-01 189.600
1891-02-01 196.000
1891-03-01 209.200
1891-04-01 226.400
1891-05-01 241.000
1891-06-01 232.500
1891-07-01 237.300
1891-08-01 236.200
1891-09-01 234.100
1891-10-01 226.600
1891-11-01 233.600
1891-12-01 228.300
1892-01-01 214.300
1892-02-01 203.800
1892-03-01 195.600
1892-04-01 190.000
1892-05-01 189.800
1892-06-01 182.700
1892-07-01 174.100
1892-08-01 159.400
1892-09-01 152.800
1892-10-01 153.300
1892-11-01 152.500
1892-12-01 148.600
1893-01-01 151.700
1893-02-01 152.200
1893-03-01 149.600
1893-04-01 155.300
1893-05-01 159.700
1893-06-01 157.800
1893-07-01 158.600
1893-08-01 155.300
1893-09-01 149.500
1893-10-01 142.900
1893-11-01 142.200
1893-12-01 143.600
1894-01-01 143.500
1894-02-01 141.600
1894-03-01 141.000
1894-04-01 141.400
1894-05-01 135.700
1894-06-01 137.800
1894-07-01 138.500
1894-08-01 135.100
1894-09-01 131.800
1894-10-01 124.600
1894-11-01 129.000
1894-12-01 133.700
1895-01-01 136.400
1895-02-01 134.700
1895-03-01 139.700
1895-04-01 143.200
1895-05-01 154.700
1895-06-01 155.800
1895-07-01 143.900
1895-08-01 140.000
1895-09-01 134.900
1895-10-01 138.800
1895-11-01 142.700
1895-12-01 144.700
1896-01-01 150.600
1896-02-01 156.300
1896-03-01 156.000
1896-04-01 157.300
1896-05-01 156.700
1896-06-01 147.000
1896-07-01 141.600
1896-08-01 144.100
1896-09-01 152.800
1896-10-01 164.200
1896-11-01 174.200
1896-12-01 173.300
1897-01-01 177.300
1897-02-01 171.600
1897-03-01 165.300
1897-04-01 160.600
1897-05-01 161.600
1897-06-01 160.000
1897-07-01 163.700
1897-08-01 180.600
1897-09-01 184.700
1897-10-01 182.300
1897-11-01 187.500
1897-12-01 188.700
1898-01-01 191.700
1898-02-01 196.300
1898-03-01 196.000
1898-04-01 213.600
1898-05-01 244.400
1898-06-01 209.900
1898-07-01 200.500
1898-08-01 181.800
1898-09-01 173.700
1898-10-01 174.100
1898-11-01 172.300
1898-12-01 169.000
1899-01-01 168.200
1899-02-01 163.100
1899-03-01 158.500
1899-04-01 158.600
1899-05-01 159.500
1899-06-01 162.600
1899-07-01 159.000
1899-08-01 155.900
1899-09-01 152.500
1899-10-01 153.000
1899-11-01 149.800
1899-12-01 149.100
1900-01-01 145.800
1900-02-01 149.100
1900-03-01 148.000
1900-04-01 148.900
1900-05-01 152.500
1900-06-01 156.800
1900-07-01 156.800
1900-08-01 155.700
1900-09-01 155.600
1900-10-01 153.500
1900-11-01 149.500
1900-12-01 149.500
1901-01-01 154.500
1901-02-01 158.200
1901-03-01 159.200
1901-04-01 167.400
1901-05-01 174.200
1901-06-01 169.500
1901-07-01 164.000
1901-08-01 166.200
1901-09-01 159.800
1901-10-01 155.800
1901-11-01 163.200
1901-12-01 171.200
1902-01-01 171.500
1902-02-01 170.800
1902-03-01 169.000
1902-04-01 167.000
1902-05-01 170.200
1902-06-01 166.800
1902-07-01 167.200
1902-08-01 158.200
1902-09-01 155.000
1902-10-01 151.500
1902-11-01 152.800
1902-12-01 157.200
1903-02-01 156.200
1903-03-01 155.600
1903-04-01 158.200
1903-05-01 165.500
1903-06-01 166.200
1903-07-01 169.100
1903-08-01 163.900
1903-09-01 158.800
1903-10-01 157.000
1903-11-01 159.300
1903-12-01 162.700
1904-01-01 163.200
1904-02-01 169.600
1904-03-01 173.600
1904-04-01 174.400
1904-05-01 175.700
1904-06-01 173.200
1904-07-01 173.200
1904-08-01 178.800
1904-09-01 178.300
1904-10-01 177.700
1904-11-01 176.300
1904-12-01 178.500
1905-01-01 177.000
1905-02-01 176.500
1905-03-01 173.600
1905-04-01 171.900
1905-05-01 175.000
1905-06-01 173.900
1905-07-01 173.000
1905-08-01 169.600
1905-09-01 170.000
1905-10-01 174.300
1905-11-01 179.300
1905-12-01 183.100
1906-01-01 182.500
1906-02-01 179.000
1906-03-01 175.500
1906-04-01 182.300
1906-05-01 184.800
1906-06-01 182.600
1906-07-01 181.700
1906-08-01 174.200
1906-09-01 174.900
1906-10-01 178.100
1906-11-01 178.500
1906-12-01 181.300
1907-01-01 179.300
1907-02-01 184.700
1907-03-01 188.600
1907-04-01 193.900
1907-05-01 203.900
1907-06-01 205.400
1907-07-01 208.700
1907-08-01 213.200
1907-09-01 224.700
1907-10-01 228.400
1907-11-01 226.100
1907-12-01 218.400
1908-01-01 221.000
1908-02-01 212.200
1908-03-01 208.000
1908-04-01 208.700
1908-05-01 220.600
1908-06-01 212.200
1908-07-01 221.300
1908-08-01 204.000
1908-09-01 206.500
1908-10-01 204.900
1908-11-01 206.800
1908-12-01 208.600
1909-01-01 209.700
1909-02-01 219.600
1909-03-01 230.800
1909-04-01 242.500
1909-05-01 259.300
1909-06-01 268.000
1909-07-01 260.800
1909-08-01 241.800
1909-09-01 213.300
1909-10-01 220.300
1909-11-01 217.800
1909-12-01 222.700
1910-01-01 227.100
1910-02-01 227.600
1910-03-01 224.000
1910-04-01 225.200
1910-05-01 215.300
1910-06-01 199.700
1910-07-01 211.600
1910-08-01 198.500
1910-09-01 203.200
1910-10-01 201.100
1910-11-01 200.800
1910-12-01 204.300
1911-01-01 201.600
1911-02-01 198.800
1911-03-01 198.500
1911-04-01 200.000
1911-05-01 207.100
1911-06-01 207.000
1911-07-01 213.300
1911-08-01 202.900
1911-09-01 206.200
1911-10-01 204.800
1911-11-01 203.400
1911-12-01 204.500
1912-01-01 211.200
1912-02-01 212.400
1912-03-01 212.200
1912-04-01 227.800
1912-05-01 231.200
1912-06-01 231.800
1912-07-01 228.500
1912-08-01 211.800
1912-09-01 214.600
1912-10-01 211.600
1912-11-01 205.800
1912-12-01 205.500
1913-01-01 200.800
1913-02-01 200.000
1913-03-01 201.200
1913-04-01 206.600
1913-05-01 208.600
1913-06-01 204.500
1913-07-01 203.700
1913-08-01 199.500
1913-09-01 198.400
1913-10-01 185.700
1913-11-01 186.000
1913-12-01 191.100
1914-01-01 191.000
1914-02-01 192.300
1914-03-01 194.100
1914-04-01 193.600
1914-05-01 206.800
1914-06-01 209.500
1914-07-01 206.300
1914-08-01 225.500
1914-09-01 240.200
1914-10-01 248.600
1914-11-01 240.800
1914-12-01 242.500
1915-01-01 238.900
1915-02-01 236.600
1915-03-01 233.900
1915-04-01 234.300
1915-05-01 238.000
1915-06-01 238.800
1915-07-01 239.600
1915-08-01 222.100
1915-09-01 225.200
1915-10-01 225.000
1915-11-01 220.500
1915-12-01 211.500
1916-01-01 214.400
1916-02-01 215.200
1916-03-01 210.000
1916-04-01 207.300
1916-05-01 209.300
1916-06-01 205.600
1916-07-01 198.800
1916-08-01 211.100
1916-09-01 205.000
1916-10-01 202.400
1916-11-01 197.000
1916-12-01 194.600
1917-01-01 188.600
1917-02-01 186.000
1917-03-01 187.700
1917-04-01 168.600
1917-05-01 166.700
1917-06-01 153.700
1917-07-01 152.800
1917-08-01 200.100
1917-09-01 180.700
1917-10-01 167.000
1917-11-01 175.400
1917-12-01 214.900
1918-01-01 233.700
1918-02-01 231.000
1918-03-01 233.900
1918-04-01 238.200
1918-05-01 237.000
1918-06-01 227.200
1918-07-01 210.300
1918-08-01 272.200
1918-09-01 226.200
1918-10-01 206.600
1918-11-01 183.800
1918-12-01 164.800
1919-01-01 166.500
1919-02-01 149.500
1919-03-01 131.300
1919-04-01 108.300
1919-05-01 106.200
1919-06-01 97.4000
1919-07-01 90.5000
1919-08-01 201.800
1919-09-01 158.000
1919-10-01 124.000
1919-11-01 82.8000
1919-12-01 67.8000
1920-01-01 48.9000
1920-02-01 32.0000
1920-03-01 37.8000
1920-04-01 53.2000
1920-05-01 68.2000
1920-06-01 81.0000
1920-07-01 80.3000
1920-08-01 154.000
1920-09-01 123.500
1920-10-01 99.8000
1920-11-01 84.6000
1920-12-01 89.5000
1921-01-01 100.600
1921-02-01 106.500
1921-03-01 104.600
1921-04-01 102.800
1921-05-01 104.800
1921-06-01 94.2000
1921-07-01 85.1000
1921-08-01 220.500
1921-09-01 175.400
1921-10-01 143.400
1921-11-01 120.600
1921-12-01 157.400
1922-01-01 170.600
1922-02-01 196.400
1922-03-01 211.300
1922-04-01 221.600
1922-05-01 209.200
1922-06-01 205.900
1922-07-01 191.400
1922-08-01 171.700
1922-09-01 170.100
1922-10-01 183.700
1922-11-01 151.300
1922-12-01 166.900
1923-01-01 144.600
1923-02-01 174.600
1923-03-01 158.900
1923-04-01 189.300
1923-05-01 151.100
1923-06-01 155.500
1923-07-01 209.000
1923-08-01 138.800
1923-09-01 143.700
1923-10-01 138.400
1923-11-01 193.200
1923-12-01 170.600
1924-01-01 158.900
1924-02-01 160.500
1924-03-01 167.600
1924-04-01 173.600
1924-05-01 162.000
1924-06-01 144.900
1924-07-01 165.100
1924-08-01 198.800
1924-09-01 225.100
1924-10-01 226.500
1924-11-01 212.000
1924-12-01 222.200
1925-01-01 253.800
1925-02-01 252.200
1925-03-01 252.100
1925-04-01 247.200
1925-05-01 262.600
1925-06-01 267.800
1925-08-01 239.700
1925-09-01 213.200
1925-10-01 211.600
1925-11-01 229.900
1925-12-01 250.000
1926-01-01 248.800
1926-02-01 246.800
1926-03-01 256.600
1926-04-01 289.100
1926-05-01 296.100
1926-08-01 269.700
1926-09-01 263.100
1926-10-01 265.700
1926-11-01 275.500
1926-12-01 269.200
1927-01-01 266.600
1927-02-01 266.000
1927-03-01 268.400
1927-04-01 273.600
1927-05-01 298.200
1927-06-01 303.900
1927-08-01 275.600
1927-09-01 259.200
1927-10-01 249.900
1927-11-01 242.500
1927-12-01 234.700
1928-01-01 234.800
1928-02-01 229.000
1928-03-01 244.300
1928-04-01 263.500
1928-05-01 265.200
1928-06-01 255.800
1928-07-01 245.900
1928-08-01 229.400
1928-09-01 209.500
1928-10-01 213.100
1928-11-01 211.900
1928-12-01 205.300
1929-01-01 209.200
1929-02-01 217.200
1929-03-01 223.400
1929-04-01 224.800
1929-05-01 217.800
1929-06-01 214.900
1929-07-01 250.500
1929-08-01 245.500
1929-09-01 227.000
1929-10-01 230.400
1929-11-01 231.300
1929-12-01 241.300
1930-01-01 246.900
1930-02-01 234.200
1930-03-01 239.800
1930-04-01 269.200
1930-05-01 288.700
1930-06-01 299.800
1930-07-01 287.800
1930-08-01 250.100
1930-09-01 239.100
1930-10-01 226.400
1930-11-01 247.300
1930-12-01 247.600
1931-01-01 259.200
1931-02-01 273.200
1931-03-01 287.100
1931-04-01 288.400
1931-05-01 282.300
1931-06-01 272.400
1931-07-01 244.600
1931-08-01 208.100
1931-09-01 213.400
1931-10-01 215.800
1931-11-01 226.000
1931-12-01 214.700
1932-01-01 227.400
1932-02-01 245.200
1932-03-01 248.100
1932-04-01 262.500
1932-05-01 272.500
1932-06-01 256.000
1932-07-01 238.100
1932-08-01 210.600
1932-09-01 208.800
1932-10-01 198.700
1932-11-01 197.700
1932-12-01 188.700
1933-01-01 185.500
1933-02-01 192.700
1933-03-01 198.500
1933-04-01 196.100
1933-05-01 197.800
1933-06-01 191.000
1933-07-01 187.600
1933-08-01 174.300
1933-09-01 178.200
1933-10-01 189.300
1933-11-01 190.000
1933-12-01 190.600
1934-01-01 192.100
1934-02-01 192.300
1934-03-01 193.100
1934-04-01 195.000
1934-05-01 197.000
1934-06-01 200.000
1934-07-01 199.200
1934-08-01 199.000
1934-09-01 200.000
1934-10-01 202.000
1934-11-01 204.000
1934-12-01 205.500
1935-01-01 207.000
1935-02-01 208.500
1935-03-01 210.000
1935-04-01 211.000
1935-05-01 212.000
1935-06-01 212.000
1935-07-01 212.000