Rank	Countries/Territories	Count	Percent
1	United States	502	49.5%
2	China	264	26%
3	Germany	111	10.9%
4	Japan	29	2.9%
5	Russia	18	1.8%
6	India	14	1.4%
7	Indonesia	12	1.2%
8	Taiwan	11	1.1%
9	Canada	7	0.7%
10	Ireland	6	0.6%
11	Singapore	6	0.6%
12	Netherlands	5	0.5%
13	Australia	4	0.4%
14	Thailand	4	0.4%
15	Hong Kong	3	0.3%
16	Palestine, State of	3	0.3%
17	Korea, Republic of	3	0.3%
18	Spain	2	0.2%
19	Austria	2	0.2%
20	Bangladesh	2	0.2%
21	Argentina	2	0.2%
22	Cyprus	2	0.2%
23	Colombia	1	0.1%
24	Myanmar	1	0.1%