line   operator line length (kilometres)  number of stations  annual ridership (1998)  annual ridership (2008)
0           mitre      ugoms                  185 , 5                  55                 84081493                 73207048
1  belgrano norte  ferrovías                   54 , 3                  22                 35931801                 45830200
2    belgrano sur      ugofe                   66 , 3                  30                 16219806                 11472416
3            roca      ugofe                  237 , 2                  70                152082063                125556026
4      san martín      ugofe                   56 , 3                  19                 25581310                 46647676
5       sarmiento      ugoms                  184 , 1                  40                113218819                118143006
6         urquiza  metrovías                   29 , 9                  23                 25581310                 24212133
7        totals :          -                      813                 259                451971849                445068505

Table as JSON:
{"line":{"0":"mitre","1":"belgrano norte","2":"belgrano sur","3":"roca","4":"san martín","5":"sarmiento","6":"urquiza","7":"totals :"},"operator":{"0":"ugoms","1":"ferrovías","2":"ugofe","3":"ugofe","4":"ugofe","5":"ugoms","6":"metrovías","7":"-"},"line length (kilometres)":{"0":"185 , 5","1":"54 , 3","2":"66 , 3","3":"237 , 2","4":"56 , 3","5":"184 , 1","6":"29 , 9","7":"813"},"number of stations":{"0":55,"1":22,"2":30,"3":70,"4":19,"5":40,"6":23,"7":259},"annual ridership (1998)":{"0":84081493,"1":35931801,"2":16219806,"3":152082063,"4":25581310,"5":113218819,"6":25581310,"7":451971849},"annual ridership (2008)":{"0":73207048,"1":45830200,"2":11472416,"3":125556026,"4":46647676,"5":118143006,"6":24212133,"7":445068505}}