Rank	Countries/Territories	Count	Percent
1	United States	525	39.6%
2	China	321	24.2%
3	Germany	249	18.8%
4	France	59	4.4%
5	Canada	17	1.3%
6	Australia	16	1.2%
7	United Kingdom	16	1.2%
8	Netherlands	13	1%
9	Russia	11	0.8%
10	Belgium	10	0.8%
11	Cyprus	10	0.8%
12	Czech Republic	9	0.7%
13	Hong Kong	8	0.6%
14	Japan	7	0.5%
15	Zambia	7	0.5%
16	Singapore	5	0.4%
17	Thailand	4	0.3%
18	Korea, Republic of	4	0.3%
19	India	4	0.3%
20	Ireland	3	0.2%
21	Argentina	3	0.2%
22	Poland	3	0.2%
23	Portugal	3	0.2%
24	Nigeria	2	0.2%
25	Norway	2	0.2%
26	Taiwan	2	0.2%
27	Ukraine	2	0.2%
28	Bangladesh	2	0.2%
29	Hungary	2	0.2%
30	Mauritius	2	0.2%
31	Morocco	2	0.2%
32	Israel	1	0.1%
33	Turkey	1	0.1%
34	Switzerland	1	0.1%