Rank	Countries/Territories	Count	Percent
1	United States	460	37%
2	China	369	29.7%
3	Germany	110	8.8%
4	Japan	67	5.4%
5	Canada	39	3.1%
6	France	26	2.1%
7	Singapore	19	1.5%
8	Korea, Republic of	15	1.2%
9	India	15	1.2%
10	United Kingdom	11	0.9%
11	Netherlands	10	0.8%
12	Hong Kong	9	0.7%
13	Taiwan	9	0.7%
14	Norway	8	0.6%
15	Australia	8	0.6%
16	Finland	7	0.6%
17	Cyprus	7	0.6%
18	Switzerland	7	0.6%
19	Russia	7	0.6%
20	Ukraine	5	0.4%
21	Thailand	4	0.3%
22	Tunisia	4	0.3%
23	Spain	4	0.3%
24	Poland	4	0.3%
25	Iran, Islamic Republic of	3	0.2%
26	Belgium	3	0.2%
27	Argentina	3	0.2%
28	Denmark	2	0.2%
29	Italy	2	0.2%
30	South Africa	2	0.2%
31	Mongolia	2	0.2%
32	Malaysia	1	0.1%
33	Sweden	1	0.1%
34	Romania	1	0.1%