system                                     owner  quantity     delivery length     gauge operation  seats  standing
0               chemnitz stadtbahn  chemnitzer verkehrs - aktiengesellschaft        14  1993 - 2000      -  standard       uni     89       123
1               chemnitz stadtbahn  chemnitzer verkehrs - aktiengesellschaft        10         2000      -  standard        bi     74       124
2             city - bahn chemnitz                      city - bahn chemnitz         6         2001      -  standard        bi     74       124
3                 mannheim tramway                               mvv verkehr         6         1996      -     meter        bi     90       100
4                 mannheim tramway                               mvv verkehr        16    2002 - 07      -     meter       uni    129       130
5                 mannheim tramway                               mvv verkehr        20    2002 - 07      -     meter        bi     80        90
6               duisberg stadtbahn           duisburger verkehrsgesellschaft         1         1996      -  standard        bi     38       193
7            inner west light rail             transport for new south wales         7    1997 - 98      -  standard        bi     74       143
8                 helsinki tramway                   helsinki city transport        40  1998 - 2004      -     meter       uni     55        80
9               heidelberg tramway       heidelberger straßen - und bergbahn         8         2002      -     meter        bi    100       130
10            ludwigshafen tramway    verkehrsbetriebe ludwigshafen am rhein         8         2003      -     meter       uni     88        90
11  bochum - gelsenkirchen tramway    bochum - gelsenkirchener straßenbahnen        30    2007 - 11      -     meter        bi     68       120
12               nuremberg tramway    verkehrs - aktiengesellschaft nürnberg         8         2007      -  standard       uni     87       147
13                  munich tramway             münchner verkehrsgesellschaft        14    2008 - 11      -  standard       uni     87       147
14               bergen light rail             hordaland county municipality        16    2009 - 12      -  standard        bi     84       128
15                    graz tramway                  graz ag verkehrsbetriebe        45       2009 -      -  standard       uni     38       113
16                 potsdam tramway                   verkehrsbetrieb potsdam        18       2010 -      -  standard       uni     57       118
17                        tramlink                      transport for london         6         2012      -  standard        bi     72       134

Table as JSON:
{"system":{"0":"chemnitz stadtbahn","1":"chemnitz stadtbahn","2":"city - bahn chemnitz","3":"mannheim tramway","4":"mannheim tramway","5":"mannheim tramway","6":"duisberg stadtbahn","7":"inner west light rail","8":"helsinki tramway","9":"heidelberg tramway","10":"ludwigshafen tramway","11":"bochum - gelsenkirchen tramway","12":"nuremberg tramway","13":"munich tramway","14":"bergen light rail","15":"graz tramway","16":"potsdam tramway","17":"tramlink"},"owner":{"0":"chemnitzer verkehrs - aktiengesellschaft","1":"chemnitzer verkehrs - aktiengesellschaft","2":"city - bahn chemnitz","3":"mvv verkehr","4":"mvv verkehr","5":"mvv verkehr","6":"duisburger verkehrsgesellschaft","7":"transport for new south wales","8":"helsinki city transport","9":"heidelberger straßen - und bergbahn","10":"verkehrsbetriebe ludwigshafen am rhein","11":"bochum - gelsenkirchener straßenbahnen","12":"verkehrs - aktiengesellschaft nürnberg","13":"münchner verkehrsgesellschaft","14":"hordaland county municipality","15":"graz ag verkehrsbetriebe","16":"verkehrsbetrieb potsdam","17":"transport for london"},"quantity":{"0":14,"1":10,"2":6,"3":6,"4":16,"5":20,"6":1,"7":7,"8":40,"9":8,"10":8,"11":30,"12":8,"13":14,"14":16,"15":45,"16":18,"17":6},"delivery":{"0":"1993 - 2000","1":"2000","2":"2001","3":"1996","4":"2002 - 07","5":"2002 - 07","6":"1996","7":"1997 - 98","8":"1998 - 2004","9":"2002","10":"2003","11":"2007 - 11","12":"2007","13":"2008 - 11","14":"2009 - 12","15":"2009 -","16":"2010 -","17":"2012"},"length":{"0":"-","1":"-","2":"-","3":"-","4":"-","5":"-","6":"-","7":"-","8":"-","9":"-","10":"-","11":"-","12":"-","13":"-","14":"-","15":"-","16":"-","17":"-"},"gauge":{"0":"standard","1":"standard","2":"standard","3":"meter","4":"meter","5":"meter","6":"standard","7":"standard","8":"meter","9":"meter","10":"meter","11":"meter","12":"standard","13":"standard","14":"standard","15":"standard","16":"standard","17":"standard"},"operation":{"0":"uni","1":"bi","2":"bi","3":"bi","4":"uni","5":"bi","6":"bi","7":"bi","8":"uni","9":"bi","10":"uni","11":"bi","12":"uni","13":"uni","14":"bi","15":"uni","16":"uni","17":"bi"},"seats":{"0":89,"1":74,"2":74,"3":90,"4":129,"5":80,"6":38,"7":74,"8":55,"9":100,"10":88,"11":68,"12":87,"13":87,"14":84,"15":38,"16":57,"17":72},"standing":{"0":123,"1":124,"2":124,"3":100,"4":130,"5":90,"6":193,"7":143,"8":80,"9":130,"10":90,"11":120,"12":147,"13":147,"14":128,"15":113,"16":118,"17":134}}