Rank	Countries/Territories	Count	Percent
1	United States	488	49.3%
2	China	172	17.4%
3	Germany	78	7.9%
4	Japan	42	4.2%
5	Canada	35	3.5%
6	India	34	3.4%
7	Taiwan	14	1.4%
8	Netherlands	12	1.2%
9	Korea, Republic of	8	0.8%
10	Thailand	8	0.8%
11	Czech Republic	7	0.7%
12	United Kingdom	6	0.6%
13	Cyprus	5	0.5%
14	Brazil	5	0.5%
15	Singapore	5	0.5%
16	Spain	5	0.5%
17	Jordan	4	0.4%
18	Ireland	4	0.4%
19	Hong Kong	4	0.4%
20	Turkey	4	0.4%
21	Ukraine	3	0.3%
22	Palestine, State of	3	0.3%
23	Venezuela, Bolivarian Republic of	3	0.3%
24	Australia	3	0.3%
25	Lebanon	3	0.3%
26	Sweden	3	0.3%
27	Portugal	3	0.3%
28	Romania	3	0.3%
29	Russia	3	0.3%
30	Switzerland	2	0.2%
31	Mauritius	2	0.2%
32	Belgium	2	0.2%
33	Algeria	2	0.2%
34	France	2	0.2%
35	Greece	2	0.2%
36	Peru	2	0.2%
37	Italy	2	0.2%
38	Philippines	1	0.1%
39	Denmark	1	0.1%
40	Israel	1	0.1%
41	Cuba	1	0.1%
42	Mongolia	1	0.1%
43	Norway	1	0.1%
44	Serbia	1	0.1%