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 204 42.3%
2 United States 191 39.6%
3 Germany 35 7.3%
4 Hong Kong 12 2.5%
5 Taiwan 8 1.7%
6 Australia 6 1.2%
7 Canada 5 1%
8 Russia 4 0.8%
9 Netherlands 3 0.6%
10 Spain 3 0.6%
11 Singapore 2 0.4%
12 Japan 2 0.4%
13 Macao 2 0.4%
14 France 2 0.4%
15 India 1 0.2%
16 Italy 1 0.2%
17 Malaysia 1 0.2%