Rank	Countries/Territories	Count	Percent
1	China	168	35.1%
2	United States	112	23.4%
3	Germany	49	10.2%
4	Korea, Republic of	19	4%
5	United Kingdom	16	3.3%
6	Japan	14	2.9%
7	Colombia	13	2.7%
8	Taiwan	12	2.5%
9	Netherlands	7	1.5%
10	Singapore	7	1.5%
11	Greece	6	1.3%
12	Ireland	6	1.3%
13	Cyprus	5	1%
14	Italy	4	0.8%
15	India	4	0.8%
16	Romania	4	0.8%
17	Iran, Islamic Republic of	3	0.6%
18	Hong Kong	3	0.6%
19	Australia	3	0.6%
20	Austria	2	0.4%
21	Brazil	2	0.4%
22	France	2	0.4%
23	Canada	2	0.4%
24	Guatemala	2	0.4%
25	Russia	2	0.4%
26	Mongolia	2	0.4%
27	Morocco	2	0.4%
28	Pakistan	1	0.2%
29	Peru	1	0.2%
30	Slovenia	1	0.2%
31	Spain	1	0.2%
32	Turkey	1	0.2%
33	Ukraine	1	0.2%
34	Viet Nam	1	0.2%
35	Bulgaria	1	0.2%