Rank	Countries/Territories	Count	Percent
1	China	497	35.9%
2	United States	438	31.6%
3	Germany	119	8.6%
4	Austria	92	6.6%
5	Switzerland	24	1.7%
6	United Kingdom	24	1.7%
7	Iran, Islamic Republic of	20	1.4%
8	Japan	20	1.4%
9	Canada	18	1.3%
10	Hong Kong	14	1%
11	Cyprus	11	0.8%
12	Iraq	10	0.7%
13	Singapore	10	0.7%
14	Netherlands	10	0.7%
15	France	9	0.6%
16	Italy	8	0.6%
17	Korea, Republic of	6	0.4%
18	Ukraine	5	0.4%
19	Turkey	4	0.3%
20	Mexico	4	0.3%
21	Egypt	4	0.3%
22	Argentina	4	0.3%
23	Australia	4	0.3%
24	India	3	0.2%
25	Pakistan	3	0.2%
26	Thailand	3	0.2%
27	United Arab Emirates	2	0.1%
28	Spain	2	0.1%
29	Sweden	2	0.1%
30	Romania	2	0.1%
31	New Zealand	2	0.1%
32	Norway	2	0.1%
33	Mongolia	2	0.1%
34	Malaysia	2	0.1%
35	Mauritius	1	0.1%
36	Taiwan	1	0.1%
37	Indonesia	1	0.1%
38	Ireland	1	0.1%
39	Luxembourg	1	0.1%
40	Hungary	1	0.1%