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 193 42.9%
2 United States 165 36.7%
3 Germany 28 6.2%
4 Taiwan 18 4%
5 Hong Kong 14 3.1%
6 Australia 5 1.1%
7 Netherlands 5 1.1%
8 Canada 4 0.9%
9 South Africa 3 0.7%
10 United Kingdom 3 0.7%
11 Ukraine 2 0.4%
12 Malaysia 2 0.4%
13 Ethiopia 2 0.4%
14 Italy 2 0.4%
15 Japan 1 0.2%
16 India 1 0.2%
17 Norway 1 0.2%
18 Singapore 1 0.2%