Rank	Countries/Territories	Count	Percent
1	United States	502	43.6%
2	China	327	28.4%
3	Germany	145	12.6%
4	Canada	20	1.7%
5	Japan	16	1.4%
6	Sweden	15	1.3%
7	France	14	1.2%
8	Egypt	13	1.1%
9	Cyprus	10	0.9%
10	India	10	0.9%
11	Australia	9	0.8%
12	Norway	9	0.8%
13	United Kingdom	8	0.7%
14	Korea, Republic of	8	0.7%
15	Netherlands	6	0.5%
16	Argentina	5	0.4%
17	Singapore	4	0.3%
18	Romania	4	0.3%
19	Russia	4	0.3%
20	Latvia	3	0.3%
21	Indonesia	2	0.2%
22	Ireland	2	0.2%
23	Italy	2	0.2%
24	Bangladesh	2	0.2%
25	Switzerland	2	0.2%
26	Malaysia	2	0.2%
27	Mongolia	2	0.2%
28	Hong Kong	1	0.1%
29	Pakistan	1	0.1%
30	Thailand	1	0.1%
31	Saudi Arabia	1	0.1%
32	Austria	1	0.1%
33	Lithuania	1	0.1%