Rank	Countries/Territories	Count	Percent
1	United States	519	39.3%
2	China	338	25.6%
3	Germany	142	10.7%
4	Australia	79	6%
5	United Kingdom	42	3.2%
6	India	31	2.3%
7	Japan	26	2%
8	Palestine, State of	14	1.1%
9	Singapore	12	0.9%
10	Netherlands	11	0.8%
11	France	10	0.8%
12	Hong Kong	8	0.6%
13	Thailand	7	0.5%
14	Ireland	6	0.5%
15	Canada	6	0.5%
16	Italy	5	0.4%
17	Iran, Islamic Republic of	5	0.4%
18	Romania	5	0.4%
19	Taiwan	5	0.4%
20	Russia	4	0.3%
21	Sweden	4	0.3%
22	Korea, Republic of	4	0.3%
23	Malaysia	3	0.2%
24	Hungary	3	0.2%
25	Cyprus	3	0.2%
26	Austria	3	0.2%
27	Tanzania, United Republic of	3	0.2%
28	Turkey	2	0.2%
29	Colombia	2	0.2%
30	Ecuador	2	0.2%
31	Iraq	2	0.2%
32	Mexico	2	0.2%
33	Jordan	2	0.2%
34	South Africa	2	0.2%
35	Spain	1	0.1%
36	Switzerland	1	0.1%
37	Saudi Arabia	1	0.1%
38	Kenya	1	0.1%
39	Kuwait	1	0.1%
40	Pakistan	1	0.1%
41	Greece	1	0.1%
42	Ukraine	1	0.1%
43	United Arab Emirates	1	0.1%