Rank	Countries/Territories	Count	Percent
1	United States	500	35.4%
2	China	414	29.3%
3	Germany	122	8.6%
4	Canada	36	2.5%
5	France	33	2.3%
6	Japan	23	1.6%
7	United Kingdom	22	1.6%
8	Netherlands	21	1.5%
9	Ireland	18	1.3%
10	India	15	1.1%
11	Hong Kong	12	0.8%
12	Korea, Republic of	12	0.8%
13	Palestine, State of	11	0.8%
14	Singapore	11	0.8%
15	Sweden	10	0.7%
16	Peru	10	0.7%
17	Iran, Islamic Republic of	10	0.7%
18	Czech Republic	9	0.6%
19	Bangladesh	9	0.6%
20	Russia	9	0.6%
21	Turkey	8	0.6%
22	Austria	7	0.5%
23	Jordan	6	0.4%
24	Romania	6	0.4%
25	Italy	5	0.4%
26	Denmark	5	0.4%
27	Brazil	5	0.4%
28	Australia	4	0.3%
29	Cyprus	4	0.3%
30	Greece	4	0.3%
31	Malaysia	4	0.3%
32	Norway	4	0.3%
33	Saudi Arabia	4	0.3%
34	Switzerland	3	0.2%
35	Taiwan	3	0.2%
36	Tunisia	3	0.2%
37	Viet Nam	3	0.2%
38	Nigeria	3	0.2%
39	Mauritius	3	0.2%
40	Israel	3	0.2%
41	Croatia	3	0.2%
42	Colombia	2	0.1%
43	Indonesia	2	0.1%
44	Ukraine	2	0.1%
45	South Africa	2	0.1%
46	Philippines	1	0.1%
47	Portugal	1	0.1%
48	Mexico	1	0.1%
49	Mongolia	1	0.1%
50	Pakistan	1	0.1%
51	Chile	1	0.1%
52	Algeria	1	0.1%