Rank	Countries/Territories	Count	Percent
1	United States	543	39.8%
2	China	431	31.6%
3	Germany	175	12.8%
4	Japan	28	2.1%
5	Korea, Republic of	18	1.3%
6	Canada	18	1.3%
7	Netherlands	17	1.2%
8	Colombia	15	1.1%
9	United Kingdom	13	1%
10	India	12	0.9%
11	Russia	11	0.8%
12	Singapore	11	0.8%
13	France	10	0.7%
14	Taiwan	8	0.6%
15	Cyprus	7	0.5%
16	Austria	5	0.4%
17	Bangladesh	4	0.3%
18	Australia	4	0.3%
19	Italy	4	0.3%
20	Portugal	3	0.2%
21	Argentina	3	0.2%
22	Indonesia	3	0.2%
23	Hong Kong	3	0.2%
24	Chile	2	0.1%
25	Pakistan	2	0.1%
26	Peru	2	0.1%
27	Thailand	2	0.1%
28	Ukraine	2	0.1%
29	Mongolia	2	0.1%
30	Romania	1	0.1%
31	South Africa	1	0.1%
32	Brazil	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Latvia	1	0.1%
35	Lebanon	1	0.1%
36	Luxembourg	1	0.1%