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 300 54.2%
2 United States 147 26.6%
3 Germany 40 7.2%
4 Canada 14 2.5%
5 Hong Kong 11 2%
6 Japan 6 1.1%
7 Taiwan 6 1.1%
8 Korea, Republic of 5 0.9%
9 Singapore 3 0.5%
10 Viet Nam 3 0.5%
11 Sweden 2 0.4%
12 Netherlands 2 0.4%
13 Malaysia 2 0.4%
14 Mexico 2 0.4%
15 France 2 0.4%
16 Australia 2 0.4%
17 Belgium 2 0.4%
18 Moldova, Republic of 1 0.2%
19 Nigeria 1 0.2%
20 Qatar 1 0.2%
21 Romania 1 0.2%