Rank	Countries/Territories	Count	Percent
1	United States	281	38.8%
2	China	178	24.6%
3	Germany	53	7.3%
4	Australia	46	6.3%
5	Switzerland	30	4.1%
6	United Kingdom	17	2.3%
7	Canada	14	1.9%
8	Brazil	13	1.8%
9	Colombia	13	1.8%
10	India	13	1.8%
11	France	10	1.4%
12	Singapore	7	1%
13	Netherlands	5	0.7%
14	Ireland	5	0.7%
15	Cyprus	4	0.6%
16	Portugal	4	0.6%
17	Spain	3	0.4%
18	Japan	3	0.4%
19	Poland	3	0.4%
20	Czech Republic	3	0.4%
21	Denmark	3	0.4%
22	Chile	2	0.3%
23	Italy	2	0.3%
24	Greece	2	0.3%
25	Taiwan	2	0.3%
26	Saudi Arabia	2	0.3%
27	Sweden	1	0.1%
28	Mexico	1	0.1%
29	Norway	1	0.1%
30	Thailand	1	0.1%
31		1	0.1%
32	Iran, Islamic Republic of	1	0.1%
33	Ecuador	1	0.1%