how many years are listed?
5
Year Order Quantity GER Nos.
1893 N31 1 999
1893 H33 10 979–988
1894 L33 10 989–998
1894 E34 10 969–978
1896 N37 10 959–968
1897 H40 10 949–958
1897 O41 10 602–608, 946–948
1898 G42 10 542–551
1898 K43 10 562–571
csv/204-csv/737.tsv