Rank	Countries/Territories	Count	Percent
1	United States	637	38.4%
2	China	485	29.2%
3	Japan	153	9.2%
4	Germany	122	7.3%
5	Singapore	47	2.8%
6	Canada	43	2.6%
7	Netherlands	31	1.9%
8	France	20	1.2%
9	United Kingdom	18	1.1%
10	Ukraine	11	0.7%
11	Korea, Republic of	11	0.7%
12	Latvia	10	0.6%
13	Bulgaria	10	0.6%
14	India	7	0.4%
15	Iran, Islamic Republic of	6	0.4%
16	Russia	6	0.4%
17	Taiwan	6	0.4%
18	Thailand	6	0.4%
19	Cyprus	5	0.3%
20	Australia	4	0.2%
21	Hong Kong	3	0.2%
22	South Africa	3	0.2%
23	Turkey	2	0.1%
24	Iraq	2	0.1%
25	Luxembourg	2	0.1%
26	Mauritius	2	0.1%
27	Czech Republic	2	0.1%
28	Greece	1	0.1%
29	Argentina	1	0.1%
30	Morocco	1	0.1%
31	Saudi Arabia	1	0.1%
32	Nigeria	1	0.1%
33	Norway	1	0.1%