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 203 47.8%
2 United States 115 27.1%
3 Germany 38 8.9%
4 Canada 37 8.7%
5 Australia 7 1.6%
6 Netherlands 7 1.6%
7 Hong Kong 4 0.9%
8 Macao 3 0.7%
9 Malaysia 2 0.5%
10 Tajikistan 2 0.5%
11 Indonesia 2 0.5%
12 Japan 1 0.2%
13 Korea, Republic of 1 0.2%
14 France 1 0.2%
15 Spain 1 0.2%
16 Taiwan 1 0.2%