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 339 68.1%
2 United States 56 11.2%
3 Germany 40 8%
4 Canada 29 5.8%
5 Hong Kong 6 1.2%
6 Russia 5 1%
7 India 4 0.8%
8 Spain 2 0.4%
9 Switzerland 2 0.4%
10 Taiwan 2 0.4%
11 Korea, Republic of 2 0.4%
12 Macao 2 0.4%
13 Malaysia 1 0.2%
14 Moldova, Republic of 1 0.2%
15 United Kingdom 1 0.2%
16 Japan 1 0.2%
17 Australia 1 0.2%
18 Bahrain 1 0.2%
19 Brazil 1 0.2%
20 Bulgaria 1 0.2%
21 France 1 0.2%