Rank	Countries/Territories	Count	Percent
1	United States	584	50.3%
2	China	225	19.4%
3	Germany	130	11.2%
4	Canada	44	3.8%
5	France	42	3.6%
6	India	18	1.5%
7	Netherlands	15	1.3%
8	Switzerland	13	1.1%
9	Australia	10	0.9%
10	United Kingdom	8	0.7%
11	South Africa	7	0.6%
12	Russia	7	0.6%
13	Ukraine	5	0.4%
14	Norway	5	0.4%
15	Pakistan	5	0.4%
16	Japan	4	0.3%
17	Cyprus	4	0.3%
18	Belgium	4	0.3%
19	Hong Kong	4	0.3%
20	Ireland	3	0.3%
21	Denmark	3	0.3%
22	Egypt	3	0.3%
23	Azerbaijan	2	0.2%
24	Indonesia	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Malaysia	2	0.2%
27	New Zealand	2	0.2%
28	Romania	2	0.2%
29	Singapore	2	0.2%
30	Turkey	1	0.1%
31	Philippines	1	0.1%
32	Israel	1	0.1%
33	Algeria	1	0.1%
34	Argentina	1	0.1%