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 798 48.8%
2 United States 387 23.7%
3 Netherlands 180 11%
4 Germany 115 7%
5 France 26 1.6%
6 Korea, Republic of 19 1.2%
7 Taiwan 15 0.9%
8 Senegal 14 0.9%
9 Canada 14 0.9%
10 Russia 13 0.8%
11 Sweden 12 0.7%
12 Australia 9 0.6%
13 Ireland 8 0.5%
14 India 6 0.4%
15 Ukraine 4 0.2%
16 Yemen 4 0.2%
17 Hong Kong 2 0.1%
18 Iceland 2 0.1%
19 Cote D'ivoire 2 0.1%
20 Moldova, Republic of 2 0.1%
21 Singapore 2 0.1%
22 Malaysia 1 0.1%
23 United Kingdom 1 0.1%