manufacturer              model  quantity  introduced  retired
0             douglas   c - 54 skymaster         6        1947     1966
1             douglas      c - 47 dakota         2        1947     1964
2        de havilland        dh114 heron         7        1952     1960
3              fokker  f - 27 friendship         8        1958     1977
4             douglas        dc - 6a / c         1        1961     1965
5             douglas            dc - 6b         7        1962     1973
6              fokker  f - 28 fellowship         6        1969     1986
7              boeing          737 - 200        20        1969     1994
8              boeing          767 - 200         2        1984     1986
9              boeing          737 - 400         7        1989     2004
10             boeing          737 - 500        17        1990     2004
11             fokker                100         5        1997     1999
12             boeing          737 - 300         1        1997     1999
13             boeing          737 - 700        13        1998     2004
14  british aerospace             146200        10        1998     2001

Table as JSON:
{"manufacturer":{"0":"douglas","1":"douglas","2":"de havilland","3":"fokker","4":"douglas","5":"douglas","6":"fokker","7":"boeing","8":"boeing","9":"boeing","10":"boeing","11":"fokker","12":"boeing","13":"boeing","14":"british aerospace"},"model":{"0":"c - 54 skymaster","1":"c - 47 dakota","2":"dh114 heron","3":"f - 27 friendship","4":"dc - 6a \/ c","5":"dc - 6b","6":"f - 28 fellowship","7":"737 - 200","8":"767 - 200","9":"737 - 400","10":"737 - 500","11":"100","12":"737 - 300","13":"737 - 700","14":"146200"},"quantity":{"0":6,"1":2,"2":7,"3":8,"4":1,"5":7,"6":6,"7":20,"8":2,"9":7,"10":17,"11":5,"12":1,"13":13,"14":10},"introduced":{"0":1947,"1":1947,"2":1952,"3":1958,"4":1961,"5":1962,"6":1969,"7":1969,"8":1984,"9":1989,"10":1990,"11":1997,"12":1997,"13":1998,"14":1998},"retired":{"0":1966,"1":1964,"2":1960,"3":1977,"4":1965,"5":1973,"6":1986,"7":1994,"8":1986,"9":2004,"10":2004,"11":1999,"12":1999,"13":2004,"14":2001}}