Rank	Countries/Territories	Count	Percent
1	United States	223	31.6%
2	China	198	28.1%
3	Germany	100	14.2%
4	France	32	4.5%
5	Norway	15	2.1%
6	Japan	13	1.8%
7	Korea, Republic of	11	1.6%
8	India	11	1.6%
9	United Kingdom	11	1.6%
10	Thailand	11	1.6%
11	Czech Republic	6	0.9%
12	Canada	6	0.9%
13	Philippines	6	0.9%
14	Australia	5	0.7%
15	Denmark	5	0.7%
16	Hong Kong	4	0.6%
17	Mexico	4	0.6%
18	Netherlands	4	0.6%
19	Turkey	4	0.6%
20	New Zealand	3	0.4%
21	Sweden	3	0.4%
22	Taiwan	2	0.3%
23	Singapore	2	0.3%
24	Slovakia	2	0.3%
25	Portugal	2	0.3%
26	Israel	2	0.3%
27	Italy	2	0.3%
28	Latvia	2	0.3%
29	Lebanon	2	0.3%
30	Greece	2	0.3%
31	Cyprus	2	0.3%
32	Ghana	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Ireland	1	0.1%
35	Colombia	1	0.1%
36	Belgium	1	0.1%
37	Brazil	1	0.1%
38	Argentina	1	0.1%
39	Romania	1	0.1%
40	Russia	1	0.1%
41	Ukraine	1	0.1%