BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 127 44.3%
2 United States 67 23.3%
3 Netherlands 22 7.7%
4 Canada 14 4.9%
5 Germany 13 4.5%
6 Korea, Republic of 11 3.8%
7 Hong Kong 8 2.8%
8 France 5 1.7%
9 Italy 4 1.4%
10 Turkey 4 1.4%
11 Norway 3 1%
12 Philippines 3 1%
13 Moldova, Republic of 2 0.7%
14 India 1 0.3%
15 Bulgaria 1 0.3%
16 Russia 1 0.3%
17 Slovenia 1 0.3%