Rank	Countries/Territories	Count	Percent
1	United States	587	40.2%
2	China	419	28.7%
3	Germany	171	11.7%
4	Canada	47	3.2%
5	India	40	2.7%
6	Russia	29	2%
7	Netherlands	24	1.6%
8	Sweden	21	1.4%
9	Israel	16	1.1%
10	Japan	15	1%
11	France	15	1%
12	United Kingdom	15	1%
13	Spain	13	0.9%
14	Singapore	7	0.5%
15	Pakistan	4	0.3%
16	Saudi Arabia	4	0.3%
17	Australia	4	0.3%
18	Italy	4	0.3%
19	Indonesia	3	0.2%
20	Belgium	3	0.2%
21	Cyprus	3	0.2%
22	Denmark	3	0.2%
23	Romania	3	0.2%
24	Hong Kong	3	0.2%
25	Finland	2	0.1%
26	Ireland	2	0.1%
27	Korea, Republic of	2	0.1%
28	Greece	1	0.1%
29	Costa Rica	1	0.1%
30	Thailand	1	0.1%