Rank	Countries/Territories	Count	Percent
1	United States	365	33.3%
2	China	354	32.3%
3	Germany	93	8.5%
4	Italy	83	7.6%
5	Australia	29	2.6%
6	Russia	23	2.1%
7	Korea, Republic of	18	1.6%
8	Netherlands	15	1.4%
9	Canada	14	1.3%
10	India	13	1.2%
11	Ireland	11	1%
12	France	9	0.8%
13	Switzerland	9	0.8%
14	United Kingdom	8	0.7%
15	Norway	8	0.7%
16	Japan	7	0.6%
17	Egypt	6	0.5%
18	Taiwan	4	0.4%
19	Greece	3	0.3%
20	Hong Kong	3	0.3%
21	Colombia	3	0.3%
22	Cyprus	3	0.3%
23	Argentina	2	0.2%
24	Finland	2	0.2%
25	Thailand	2	0.2%
26	Saudi Arabia	2	0.2%
27	Romania	2	0.2%
28	Singapore	1	0.1%
29	Ukraine	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Bangladesh	1	0.1%
32	Belgium	1	0.1%
33	Denmark	1	0.1%