Table:
period
exporters' share in
labour productivity, exporters relative to non-exporters

number of firms
employment
shipments

percent
ratio

1974 to 1979
24
60
68
1.02

1979 to 1984
24
61
70
1.00

1984 to 1990
29
64
74
1.44

1990 to 1996
34
68
81
1.63

1996 to 2000
35
72
84
1.31

2000 to 2005
39
77
82
1.10

2005 to 2010
39
75
79
0.86

1974 to 2010
35
72
79
1.13

Statement: exporters were 13% more productive than non-exporters.
Question: how many percent of exporters was more productive than non-exporters?
Answer: [0.13]