Rank	Countries/Territories	Count	Percent
1	United States	615	43.2%
2	China	381	26.8%
3	Germany	91	6.4%
4	France	34	2.4%
5	Netherlands	24	1.7%
6	Italy	22	1.5%
7	Japan	21	1.5%
8	Canada	21	1.5%
9	United Kingdom	21	1.5%
10	Australia	19	1.3%
11	Turkey	16	1.1%
12	Switzerland	14	1%
13	Brazil	14	1%
14	Taiwan	13	0.9%
15	Korea, Republic of	12	0.8%
16	Spain	11	0.8%
17	Ireland	10	0.7%
18	Singapore	8	0.6%
19	India	8	0.6%
20	Mexico	7	0.5%
21	Russia	6	0.4%
22	Portugal	5	0.4%
23	Romania	5	0.4%
24	Cyprus	5	0.4%
25	Denmark	5	0.4%
26	Iran, Islamic Republic of	4	0.3%
27	Hong Kong	4	0.3%
28	Pakistan	4	0.3%
29	Mongolia	3	0.2%
30	South Africa	3	0.2%
31	Chile	3	0.2%
32	Colombia	2	0.1%
33	Hungary	2	0.1%
34	Egypt	2	0.1%
35	Tanzania, United Republic of	2	0.1%
36	Finland	1	0.1%
37	Argentina	1	0.1%
38	Bahrain	1	0.1%
39	Sweden	1	0.1%
40	Peru	1	0.1%
41	Israel	1	0.1%