Rank	Countries/Territories	Count	Percent
1	United States	247	58.1%
2	China	73	17.2%
3	Germany	16	3.8%
4	Russia	13	3.1%
5	Korea, Republic of	12	2.8%
6	India	8	1.9%
7	Japan	7	1.6%
8	Hong Kong	7	1.6%
9	Netherlands	6	1.4%
10	Brazil	6	1.4%
11	Taiwan	6	1.4%
12	Qatar	4	0.9%
13	Romania	2	0.5%
14	Philippines	2	0.5%
15	Canada	2	0.5%
16	Czech Republic	2	0.5%
17	Denmark	2	0.5%
18	France	2	0.5%
19	Singapore	2	0.5%
20	Spain	2	0.5%
21	Finland	1	0.2%
22	Cyprus	1	0.2%
23	Australia	1	0.2%
24	Belgium	1	0.2%