Rank	Countries/Territories	Count	Percent
1	United States	224	31.5%
2	China	215	30.3%
3	Germany	99	13.9%
4	Japan	44	6.2%
5	France	22	3.1%
6	Canada	17	2.4%
7	Korea, Republic of	15	2.1%
8	Singapore	11	1.5%
9	Russia	9	1.3%
10	Netherlands	8	1.1%
11	Australia	6	0.8%
12	India	5	0.7%
13	Viet Nam	4	0.6%
14	Taiwan	3	0.4%
15	Ireland	3	0.4%
16	Cyprus	3	0.4%
17	Belgium	2	0.3%
18	Greece	2	0.3%
19	Nigeria	2	0.3%
20	Poland	2	0.3%
21	Slovenia	2	0.3%
22	South Africa	1	0.1%
23	Switzerland	1	0.1%
24	Puerto Rico	1	0.1%
25	New Zealand	1	0.1%
26	Thailand	1	0.1%
27	United Kingdom	1	0.1%
28	Ghana	1	0.1%
29	Italy	1	0.1%
30	Mexico	1	0.1%
31	Brazil	1	0.1%
32	Austria	1	0.1%
33	Colombia	1	0.1%