BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 392 40.7%
2 China 298 31%
3 Netherlands 102 10.6%
4 France 53 5.5%
5 Germany 49 5.1%
6 Canada 20 2.1%
7 Hong Kong 10 1%
8 Taiwan 9 0.9%
9 Portugal 7 0.7%
10 Russia 7 0.7%
11 Senegal 3 0.3%
12 United Kingdom 3 0.3%
13 Japan 2 0.2%
14 Macao 1 0.1%
15 Malaysia 1 0.1%
16 Singapore 1 0.1%
17 Ukraine 1 0.1%
18 1 0.1%
19 Australia 1 0.1%
20 Bahrain 1 0.1%