Monthly Number Of Furnaces
1893-04-01 225.000
1893-05-01 213.000
1893-06-01 239.000
1893-07-01 251.000
1893-08-01 219.000
1893-09-01 198.000
1893-10-01 198.000
1893-11-01 191.000
1893-12-01 218.000
1894-01-01 265.000
1894-02-01 285.000
1894-03-01 288.000
1894-04-01 299.000
1894-05-01 308.000
1894-06-01 291.000
1894-07-01 264.000
1894-08-01 268.000
1894-09-01 261.000
1894-10-01 296.000
1894-11-01 306.000
1894-12-01 309.000
1895-01-01 308.000
1895-02-01 304.000
1895-03-01 299.000
1895-04-01 301.000
1895-05-01 305.000
1895-06-01 299.000
1895-07-01 303.000
1895-08-01 310.000
1895-09-01 317.000
1895-10-01 327.000
1895-11-01 329.000
1895-12-01 331.000
1896-01-01 335.000
1896-02-01 343.000
1896-03-01 347.000
1896-04-01 351.000
1896-05-01 350.000
1896-06-01 347.000
1896-07-01 346.000
1896-08-01 343.000
1896-09-01 345.000
1896-10-01 344.000
1896-11-01 344.000
1896-12-01 345.000
1897-01-01 348.000
1897-02-01 352.000
1897-03-01 351.000
1897-04-01 350.000
1897-05-01 352.000
1897-06-01 347.000
1897-07-01 344.000
1897-08-01 346.000
1897-09-01 346.000
1897-10-01 350.000
1897-11-01 349.000
1897-12-01 351.000
1898-01-01 354.000
1898-02-01 355.000
1898-03-01 353.000
1898-04-01 340.000
1898-05-01 346.000
1898-06-01 346.000
1898-07-01 343.000
1898-08-01 341.000
1898-09-01 356.000
1898-10-01 359.000
1898-11-01 363.000
1898-12-01 368.000
1899-01-01 372.000
1899-02-01 376.000
1899-03-01 380.000
1899-04-01 380.000
1899-05-01 381.000
1899-06-01 379.000
1899-07-01 378.000
1899-08-01 382.000
1899-09-01 380.000
1899-10-01 383.000
1899-11-01 377.000
1899-12-01 379.000
1900-01-01 381.000
1900-02-01 383.000
1900-03-01 379.000
1900-04-01 382.000
1900-05-01 380.000
1900-06-01 383.000
1900-07-01 376.000
1900-08-01 371.000
1900-09-01 360.000
1900-10-01 344.000
1900-11-01 342.000
1900-12-01 326.000
1901-01-01 309.000
1901-02-01 290.000
1901-03-01 291.000
1901-04-01 273.000
1901-05-01 303.000
1901-06-01 310.000
1901-07-01 312.000
1901-08-01 317.000
1901-09-01 325.000
1901-10-01 319.000
1901-11-01 321.000
1901-12-01 324.000
1902-01-01 321.000
1902-02-01 320.000
1902-03-01 320.000
1902-04-01 320.000
1902-05-01 323.000
1902-06-01 323.000
1902-07-01 325.000
1902-08-01 328.000
1902-09-01 325.000
1902-10-01 324.000
1902-11-01 324.000
1902-12-01 317.000
1903-01-01 328.000
1903-02-01 330.000
1903-03-01 328.000
1903-04-01 328.000
1903-05-01 325.000
1903-06-01 321.000
1903-07-01 321.000
1903-08-01 322.000
1903-09-01 315.000
1903-10-01 315.000
1903-11-01 314.000
1903-12-01 301.000
1904-01-01 292.000
1904-02-01 301.000
1904-03-01 303.000
1904-04-01 303.000
1904-05-01 308.000
1904-06-01 306.000
1904-07-01 301.000
1904-08-01 299.000
1904-09-01 302.000
1904-10-01 304.000
1904-11-01 304.000
1904-12-01 302.000
1905-01-01 306.000
1905-02-01 312.000
1905-03-01 316.000
1905-04-01 318.000
1905-05-01 322.000
1905-06-01 323.000
1905-07-01 321.000
1905-08-01 324.000
1905-09-01 325.000
1905-10-01 331.000
1905-11-01 334.000
1905-12-01 335.000
1906-01-01 335.000
1906-02-01 339.000
1906-03-01 338.000
1906-04-01 341.000
1906-05-01 342.000
1906-06-01 338.000
1906-07-01 338.000
1906-08-01 337.000
1906-09-01 341.000
1906-10-01 344.000
1906-11-01 342.000
1906-12-01 340.000
1907-01-01 343.000
1907-02-01 343.000
1907-03-01 348.000
1907-04-01 349.000
1907-05-01 346.000
1907-06-01 347.000
1907-07-01 347.000
1907-08-01 346.000
1907-09-01 343.000
1907-10-01 335.000
1907-11-01 329.000
1907-12-01 305.000
1908-01-01 306.000
1908-02-01 300.000
1908-03-01 290.000
1908-04-01 293.000
1908-05-01 287.000
1908-06-01 282.000
1908-07-01 267.000
1908-08-01 270.000
1908-09-01 277.000
1908-10-01 287.000
1908-11-01 289.000
1908-12-01 290.000
1909-01-01 284.000
1909-02-01 283.000
1909-03-01 287.000
1909-04-01 280.000
1909-05-01 287.000
1909-06-01 291.000
1909-07-01 285.000
1909-08-01 293.000
1909-09-01 297.000
1909-10-01 297.000
1909-11-01 302.000
1909-12-01 300.000
1910-01-01 301.000
1910-02-01 305.000
1910-03-01 304.000
1910-04-01 310.000
1910-05-01 311.000
1910-06-01 312.000
1910-07-01 312.000
1910-08-01 312.000
1910-09-01 309.000
1910-10-01 310.000
1910-11-01 309.000
1910-12-01 305.000
1911-01-01 307.000
1911-02-01 308.000
1911-03-01 312.000
1911-04-01 301.000
1911-05-01 288.000
1911-06-01 288.000
1911-07-01 288.000
1911-08-01 283.000
1911-09-01 285.000
1911-10-01 283.000
1911-11-01 293.000
1911-12-01 297.000
1912-01-01 298.000
1912-02-01 284.000
1912-03-01 38.0000
1912-04-01 209.000
1912-05-01 271.000
1912-06-01 306.000
1912-07-01 318.000
1912-08-01 321.000
1912-09-01 326.000
1912-10-01 327.000
1912-11-01 331.000
1912-12-01 327.000
1913-01-01 334.000
1913-02-01 332.000
1913-03-01 336.000
1913-04-01 336.000
1913-05-01 332.000
1913-06-01 328.000
1913-07-01 319.000
1913-08-01 322.000
1913-09-01 307.000
1913-10-01 301.000
1913-11-01 293.000
1913-12-01 271.000
1914-01-01 273.000
1914-02-01 275.000
1914-03-01 277.000
1914-04-01 268.000
1914-05-01 268.000
1914-06-01 265.000
1914-07-01 255.000
1914-08-01 256.000
1914-09-01 264.000
1914-10-01 270.000
1914-11-01 271.000
1914-12-01 266.000
1915-01-01 269.000
1915-02-01 274.000
1915-03-01 273.000
1915-04-01 272.000
1915-05-01 271.000
1915-06-01 270.000
1915-07-01 264.000
1915-08-01 267.000
1915-09-01 268.000
1915-10-01 266.000
1915-11-01 265.000
1915-12-01 261.000
1916-01-01 265.000
1916-02-01 265.000
1916-03-01 264.000
1916-04-01 269.000
1916-05-01 270.000
1916-06-01 274.000
1916-07-01 276.000
1916-08-01 278.000
1916-09-01 284.000
1916-10-01 287.000
1916-11-01 289.000
1916-12-01 289.000
1917-01-01 292.000
1917-02-01 290.000
1917-03-01 296.000
1917-04-01 296.000
1917-05-01 298.000
1917-06-01 297.000
1917-07-01 293.000
1917-08-01 288.000
1917-09-01 294.000
1917-10-01 296.000
1917-11-01 299.000
1917-12-01 295.000
1918-01-01 294.000
1918-02-01 295.000
1918-03-01 295.000
1918-04-01 297.000
1918-05-01 294.000
1918-06-01 300.000
1918-07-01 293.000
1918-08-01 295.000
1918-09-01 292.000
1918-10-01 293.000
1918-11-01 291.000
1918-12-01 268.000
1919-01-01 279.000
1919-02-01 276.000
1919-03-01 267.000
1919-04-01 269.000
1919-05-01 263.000
1919-06-01 270.000
1919-07-01 231.000
1919-08-01 235.000
1919-10-01 236.000
1919-11-01 241.000
1919-12-01 236.000
1920-01-01 249.000
1920-02-01 255.000
1920-03-01 260.000
1920-04-01 273.000
1920-05-01 274.000
1920-06-01 271.000
1920-07-01 271.000
1920-08-01 278.000
1920-09-01 270.000
1920-10-01 60.0000
1920-11-01 235.000
1920-12-01 248.000
1921-01-01 229.000
1921-02-01 175.000
1921-03-01 111.000
1921-04-01 11.0000
1921-05-01 1.00000
1921-06-01 1.00000
1921-07-01 14.0000
1921-08-01 42.0000