Rank	Countries/Territories	Count	Percent
1	United States	470	49.8%
2	China	154	16.3%
3	Germany	123	13%
4	Canada	42	4.4%
5	France	35	3.7%
6	India	18	1.9%
7	Switzerland	13	1.4%
8	Netherlands	13	1.4%
9	United Kingdom	8	0.8%
10	South Africa	7	0.7%
11	Australia	7	0.7%
12	Russia	6	0.6%
13	Pakistan	5	0.5%
14	Japan	4	0.4%
15	Belgium	4	0.4%
16	Cyprus	4	0.4%
17	Hong Kong	4	0.4%
18	Ireland	3	0.3%
19	Denmark	3	0.3%
20	Egypt	3	0.3%
21	Azerbaijan	2	0.2%
22	Indonesia	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Malaysia	2	0.2%
25	New Zealand	2	0.2%
26	Singapore	2	0.2%
27	Romania	2	0.2%
28	Turkey	1	0.1%
29	Philippines	1	0.1%
30	Israel	1	0.1%
31	Algeria	1	0.1%