Rank	Countries/Territories	Count	Percent
1	United States	430	34.1%
2	China	402	31.9%
3	Germany	105	8.3%
4	Italy	83	6.6%
5	Australia	30	2.4%
6		26	2.1%
7	Russia	23	1.8%
8	Korea, Republic of	18	1.4%
9	Netherlands	16	1.3%
10	Canada	16	1.3%
11	France	14	1.1%
12	India	14	1.1%
13	Ireland	11	0.9%
14	Switzerland	9	0.7%
15	United Kingdom	8	0.6%
16	Norway	8	0.6%
17	Japan	7	0.6%
18	Egypt	6	0.5%
19	Taiwan	4	0.3%
20	Greece	3	0.2%
21	Hong Kong	3	0.2%
22	Colombia	3	0.2%
23	Cyprus	3	0.2%
24	Argentina	2	0.2%
25	Bangladesh	2	0.2%
26	Finland	2	0.2%
27	Thailand	2	0.2%
28	Romania	2	0.2%
29	Saudi Arabia	2	0.2%
30	Singapore	1	0.1%
31	Spain	1	0.1%
32	Ukraine	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Belgium	1	0.1%
35	Denmark	1	0.1%