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 665 65.8%
2 United States 128 12.7%
3 Netherlands 95 9.4%
4 Germany 62 6.1%
5 Canada 19 1.9%
6 Ireland 6 0.6%
7 Singapore 6 0.6%
8 Taiwan 4 0.4%
9 Hong Kong 4 0.4%
10 France 4 0.4%
11 Macao 3 0.3%
12 Russia 3 0.3%
13 Australia 2 0.2%
14 Ukraine 2 0.2%
15 United Kingdom 2 0.2%
16 Norway 2 0.2%
17 Japan 2 0.2%
18 Korea, Republic of 1 0.1%
19 Italy 1 0.1%