US firms
European firms
100
100
66%
Domestic
40%
Domestic
80
80
60
60
32%
International
(within Europe)
40
40
33%
International
20
20
28%
International
0
0
US firms
European firms
100
100
66%
Domestic
40%
Domestic
80
80
60
60
32%
International
(within Europe)
40
40
33%
International
20
20
28%
International
0
0
US firms
European firms
100
100
66%
Domestic
40%
Domestic
80
80
60
60
32%
International
(within Europe)
40
40
33%
International
20
20
28%
International
0
0
US firms
European firms
100
100
66%
Domestic
40%
Domestic
80
80
60
60
32%
International
(within Europe)
40
40
33%
International
20
20
28%
International
0
0