Quarter	Number Of Locomotives
1870-01-01	55.0000
1870-04-01	103.000
1870-07-01	72.0000
1870-10-01	71.0000
1871-01-01	125.000
1871-04-01	139.000
1871-07-01	85.0000
1871-10-01	208.000
1872-01-01	370.000
1872-04-01	137.000
1872-07-01	248.000
1872-10-01	186.000
1873-01-01	99.0000
1873-04-01	290.000
1873-07-01	30.0000
1873-10-01	40.0000
1874-01-01	102.000
1874-04-01	63.0000
1874-07-01	36.0000
1874-10-01	22.0000
1875-01-01	76.0000
1875-04-01	90.0000
1875-07-01	98.0000
1875-10-01	86.0000
1876-01-01	130.000
1876-04-01	100.000
1876-07-01	85.0000
1876-10-01	57.0000
1877-01-01	66.0000
1877-04-01	65.0000
1877-07-01	73.0000
1877-10-01	55.0000
1878-01-01	113.000
1878-04-01	86.0000
1878-07-01	94.0000
1878-10-01	177.000
1879-01-01	186.000
1879-04-01	147.000
1879-07-01	233.000
1879-10-01	432.000
1880-01-01	513.000
1880-04-01	235.000
1880-07-01	142.000
1880-10-01	793.000
1881-01-01	695.000
1881-04-01	573.000
1881-07-01	326.000
1881-10-01	370.000
1882-01-01	420.000
1882-04-01	241.000
1882-07-01	216.000
1882-10-01	278.000
1883-01-01	212.000
1883-04-01	332.000
1883-07-01	273.000
1883-10-01	160.000
1884-01-01	166.000
1884-04-01	136.000
1884-07-01	104.000
1884-10-01	118.000
1885-01-01	127.000
1885-04-01	110.000
1885-07-01	236.000
1885-10-01	254.000
1886-01-01	291.000
1886-04-01	203.000
1886-07-01	507.000
1886-10-01	533.000
1887-01-01	658.000
1887-04-01	247.000
1887-07-01	197.000
1887-10-01	381.000
1888-01-01	589.000
1888-04-01	360.000
1888-07-01	384.000
1888-10-01	304.000
1889-01-01	231.000
1889-04-01	446.000
1889-07-01	438.000
1889-10-01	506.000
1890-01-01	420.000
1890-04-01	553.000
1890-07-01	347.000
1890-10-01	421.000
1891-01-01	370.000
1891-04-01	251.000
1891-07-01	308.000
1891-10-01	444.000
1892-01-01	811.000
1892-04-01	207.000
1892-07-01	236.000
1892-10-01	587.000
1893-01-01	667.000
1893-04-01	234.000
1893-07-01	46.0000
1893-10-01	154.000
1894-01-01	64.0000
1894-04-01	51.0000
1894-07-01	89.0000
1894-10-01	200.000
1895-01-01	193.000
1895-04-01	245.000
1895-07-01	178.000
1895-10-01	220.000
1896-01-01	221.000
1896-04-01	258.000
1896-07-01	104.000
1896-10-01	136.000
1897-01-01	188.000
1897-04-01	309.000
1897-07-01	222.000
1897-10-01	337.000
1898-01-01	276.000
1898-04-01	341.000
1898-07-01	188.000
1898-10-01	484.000
1899-01-01	862.000
1899-04-01	464.000
1899-07-01	352.000
1899-10-01	1001.00
1900-01-01	708.000
1900-04-01	372.000
1900-07-01	246.000
1900-10-01	972.000
1901-01-01	670.000
1901-04-01	788.000
1901-07-01	327.000
1901-10-01	1671.00
1902-01-01	825.000
1902-04-01	797.000
1902-07-01	1899.00
1902-10-01	752.000
1903-01-01	586.000
1903-04-01	462.000
1903-07-01	714.000
1903-10-01	310.000
1904-01-01	611.000
1904-04-01	463.000
1904-07-01	252.000
1904-10-01	1539.00
1905-01-01	1380.00
1905-04-01	831.000
1905-07-01	725.000
1905-10-01	2638.00
1906-01-01	1522.00
1906-04-01	757.000
1906-07-01	954.000
1906-10-01	1654.00
1907-01-01	807.000
1907-04-01	602.000
1907-07-01	904.000
1907-10-01	295.000
1908-01-01	227.000
1908-04-01	240.000
1908-07-01	321.000
1908-10-01	324.000
1909-01-01	196.000
1909-04-01	666.000
1909-07-01	660.000
1909-10-01	1317.00
1910-01-01	763.000
1910-04-01	957.000
1910-07-01	319.000
1910-10-01	668.000
1911-01-01	596.000
1911-04-01	546.000
1911-07-01	352.000
1911-10-01	363.000
1912-01-01	842.000
1912-04-01	670.000
1912-07-01	807.000
1912-10-01	1090.00
1913-01-01	1025.00
1913-04-01	450.000
1913-07-01	359.000
1913-10-01	324.000
1914-01-01	388.000
1914-04-01	264.000
1914-07-01	243.000
1914-10-01	85.0000
1915-01-01	338.000
1915-04-01	148.000
1915-07-01	494.000
1915-10-01	501.000
1916-01-01	824.000
1916-04-01	419.000
1916-07-01	301.000
1916-10-01	817.000
1917-01-01	1909.00
1917-04-01	684.000
1917-07-01	266.000
1917-10-01	236.000
1918-01-01	211.000
1918-04-01	1340.00
1918-07-01	7.00000
1918-10-01	595.000
1919-01-01	0.00000
1919-04-01	20.0000
1919-07-01	56.0000
1919-10-01	70.0000
1920-01-01	557.000
1920-04-01	655.000
1920-07-01	236.000
1920-10-01	141.000
1921-01-01	173.000
1921-04-01	90.0000
1921-07-01	14.0000
1921-10-01	127.000
1922-01-01	80.0000
1922-04-01	385.000
1922-07-01	1142.00
1922-10-01	552.000
1923-01-01	1269.00
1923-04-01	354.000
1923-07-01	41.0000
1923-10-01	111.000
1924-01-01	482.000
1924-04-01	248.000
1924-07-01	190.000
1924-10-01	372.000
1925-01-01	170.000
1925-04-01	165.000
1925-07-01	169.000
1925-10-01	504.000
1926-01-01	265.000
1926-04-01	527.000
1926-07-01	200.000
1926-10-01	329.000