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 280 46.9%
2 United States 175 29.3%
3 Germany 37 6.2%
4 Hong Kong 32 5.4%
5 Korea, Republic of 21 3.5%
6 Taiwan 9 1.5%
7 Canada 7 1.2%
8 Italy 7 1.2%
9 Australia 5 0.8%
10 Netherlands 4 0.7%
11 United Kingdom 4 0.7%
12 Macao 3 0.5%
13 Japan 3 0.5%
14 France 2 0.3%
15 Romania 2 0.3%
16 Singapore 2 0.3%
17 Ukraine 1 0.2%
18 United Arab Emirates 1 0.2%
19 Brazil 1 0.2%
20 Colombia 1 0.2%