Rank	Countries/Territories	Count	Percent
1	United States	193	34.6%
2	China	111	19.9%
3	Germany	58	10.4%
4	United Kingdom	19	3.4%
5	Switzerland	14	2.5%
6	Netherlands	13	2.3%
7	Colombia	13	2.3%
8	India	12	2.2%
9	Japan	12	2.2%
10	France	11	2%
11	Spain	11	2%
12	Peru	10	1.8%
13	Egypt	7	1.3%
14	Australia	7	1.3%
15	Finland	6	1.1%
16	Korea, Republic of	6	1.1%
17	Canada	5	0.9%
18	Italy	4	0.7%
19	Sweden	4	0.7%
20	Viet Nam	4	0.7%
21	Singapore	3	0.5%
22	Mexico	3	0.5%
23	Morocco	3	0.5%
24	Portugal	3	0.5%
25	Brazil	3	0.5%
26	Iran, Islamic Republic of	3	0.5%
27	Hong Kong	2	0.4%
28	Chile	2	0.4%
29	Austria	2	0.4%
30	Cyprus	2	0.4%
31	Romania	2	0.4%
32	Saudi Arabia	2	0.4%
33	Taiwan	2	0.4%
34	New Zealand	1	0.2%
35	Norway	1	0.2%
36	Pakistan	1	0.2%
37	Jordan	1	0.2%
38	Kenya	1	0.2%