Rank	Countries/Territories	Count	Percent
1	United States	187	33%
2	China	184	32.5%
3	Germany	47	8.3%
4	Japan	14	2.5%
5	United Kingdom	14	2.5%
6	Netherlands	13	2.3%
7	Italy	12	2.1%
8	Korea, Republic of	11	1.9%
9	France	8	1.4%
10	Brazil	7	1.2%
11	Australia	6	1.1%
12	Belgium	6	1.1%
13	Spain	6	1.1%
14	Ireland	5	0.9%
15	Poland	4	0.7%
16	Lithuania	4	0.7%
17	Mexico	3	0.5%
18	Hong Kong	3	0.5%
19	India	3	0.5%
20	Argentina	3	0.5%
21	Cyprus	3	0.5%
22	Peru	3	0.5%
23	Taiwan	3	0.5%
24	Sri Lanka	2	0.4%
25	Iran, Islamic Republic of	2	0.4%
26	Romania	2	0.4%
27	Russia	2	0.4%
28	Singapore	2	0.4%
29	Slovenia	2	0.4%
30	Mongolia	2	0.4%
31	Indonesia	1	0.2%
32	Austria	1	0.2%
33	Switzerland	1	0.2%
34	Viet Nam	1	0.2%