Rank	Countries/Territories	Count	Percent
1	United States	439	40.2%
2	China	308	28.2%
3	Germany	62	5.7%
4	Japan	35	3.2%
5	Portugal	29	2.7%
6	India	26	2.4%
7	Netherlands	17	1.6%
8	United Kingdom	17	1.6%
9	Saudi Arabia	11	1%
10	Canada	11	1%
11	Czech Republic	10	0.9%
12	Thailand	9	0.8%
13	Taiwan	8	0.7%
14	Pakistan	8	0.7%
15	Viet Nam	7	0.6%
16	Singapore	7	0.6%
17	Korea, Republic of	6	0.5%
18	Egypt	6	0.5%
19	Cyprus	6	0.5%
20	Hong Kong	5	0.5%
21	Italy	5	0.5%
22	Turkey	5	0.5%
23	France	4	0.4%
24	Algeria	3	0.3%
25	Lao People's Democratic Republic	3	0.3%
26	Malaysia	3	0.3%
27	Mexico	3	0.3%
28	Philippines	3	0.3%
29	Romania	3	0.3%
30	Spain	3	0.3%
31	Mauritius	2	0.2%
32	Palestine, State of	2	0.2%
33	Nigeria	2	0.2%
34	Iran, Islamic Republic of	2	0.2%
35	Argentina	2	0.2%
36	Australia	2	0.2%
37	Brazil	2	0.2%
38	Chile	2	0.2%
39	Croatia	2	0.2%
40	Hungary	2	0.2%
41	Greece	1	0.1%
42	Colombia	1	0.1%
43	Iraq	1	0.1%
44	Indonesia	1	0.1%
45	Lebanon	1	0.1%
46	Moldova, Republic of	1	0.1%
47	Myanmar	1	0.1%
48	Switzerland	1	0.1%
49	Russia	1	0.1%