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 219 46.8%
2 United States 111 23.7%
3 Germany 42 9%
4 Canada 31 6.6%
5 Russia 12 2.6%
6 Hong Kong 11 2.4%
7 Singapore 8 1.7%
8 United Kingdom 7 1.5%
9 Taiwan 6 1.3%
10 Australia 6 1.3%
11 Ukraine 4 0.9%
12 Turkey 3 0.6%
13 Italy 2 0.4%
14 Japan 2 0.4%
15 Korea, Republic of 1 0.2%
16 Mauritius 1 0.2%
17 Brazil 1 0.2%
18 Slovakia 1 0.2%