Rank	Countries/Territories	Count	Percent
1	United States	270	35.1%
2	China	242	31.5%
3	Germany	55	7.2%
4	Canada	33	4.3%
5	Russia	24	3.1%
6	India	22	2.9%
7	Japan	18	2.3%
8	Spain	12	1.6%
9	France	10	1.3%
10	United Kingdom	9	1.2%
11	Netherlands	9	1.2%
12	Korea, Republic of	7	0.9%
13	Philippines	7	0.9%
14	Australia	6	0.8%
15	Egypt	5	0.7%
16	Hong Kong	5	0.7%
17	Cyprus	4	0.5%
18	Switzerland	4	0.5%
19	Italy	3	0.4%
20	Turkey	3	0.4%
21	Singapore	3	0.4%
22	Slovenia	3	0.4%
23	Sweden	2	0.3%
24	Denmark	2	0.3%
25	Ireland	2	0.3%
26	Indonesia	1	0.1%
27	Ghana	1	0.1%
28	Colombia	1	0.1%
29	Belgium	1	0.1%
30	Argentina	1	0.1%
31	Thailand	1	0.1%
32	Ukraine	1	0.1%
33	Romania	1	0.1%
34	New Zealand	1	0.1%