name / designation  year of intro country of origin                 primary cartridge major users
0                                  csmg           2000           belgium  9x19 mm parabellum 22 mm grenade       n / a
1          flieger - doppelpistole 1919           1919       switzerland             7.65x21 mm parabellum       n / a
2  gordon close - support weapon system           1972         australia                9x19 mm parabellum       n / a
3                           itm model 4           1990     united states                9x19 mm parabellum       n / a
4                   neal submachine gun           1948     united states                              22lr       n / a
5                           onorati smg           1935             italy                9x19 mm parabellum       n / a
6                 saturn machine pistol           1985          colombia                              22lr       n / a
7                                serlea           1990           lebanon                9x19 mm parabellum       n / a

Table as JSON:
{"name \/ designation":{"0":"csmg","1":"flieger - doppelpistole 1919","2":"gordon close - support weapon system","3":"itm model 4","4":"neal submachine gun","5":"onorati smg","6":"saturn machine pistol","7":"serlea"},"year of intro":{"0":2000,"1":1919,"2":1972,"3":1990,"4":1948,"5":1935,"6":1985,"7":1990},"country of origin":{"0":"belgium","1":"switzerland","2":"australia","3":"united states","4":"united states","5":"italy","6":"colombia","7":"lebanon"},"primary cartridge":{"0":"9x19 mm parabellum 22 mm grenade","1":"7.65x21 mm parabellum","2":"9x19 mm parabellum","3":"9x19 mm parabellum","4":"22lr","5":"9x19 mm parabellum","6":"22lr","7":"9x19 mm parabellum"},"major users":{"0":"n \/ a","1":"n \/ a","2":"n \/ a","3":"n \/ a","4":"n \/ a","5":"n \/ a","6":"n \/ a","7":"n \/ a"}}