Rank	Countries/Territories	Count	Percent
1	United States	139	28.3%
2	China	121	24.6%
3	Germany	62	12.6%
4	France	24	4.9%
5	Canada	21	4.3%
6	Switzerland	18	3.7%
7	Korea, Republic of	17	3.5%
8	India	14	2.9%
9	Ukraine	14	2.9%
10	United Kingdom	6	1.2%
11	Singapore	6	1.2%
12	Indonesia	4	0.8%
13	Cyprus	4	0.8%
14	Japan	4	0.8%
15	Morocco	4	0.8%
16	Malaysia	3	0.6%
17	Mexico	3	0.6%
18	Romania	3	0.6%
19	Russia	2	0.4%
20	South Africa	2	0.4%
21	Sweden	2	0.4%
22	Venezuela, Bolivarian Republic of	2	0.4%
23	Kenya	2	0.4%
24	Netherlands	2	0.4%
25	Norway	2	0.4%
26	Ethiopia	2	0.4%
27	Australia	2	0.4%
28	Ireland	2	0.4%
29	Italy	1	0.2%
30	Nepal	1	0.2%
31	Thailand	1	0.2%
32	Turkey	1	0.2%