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 43 55.1%
2 Netherlands 8 10.3%
3 Canada 6 7.7%
4 United States 5 6.4%
5 Russia 4 5.1%
6 Slovakia 2 2.6%
7 Taiwan 2 2.6%
8 Japan 2 2.6%
9 Malaysia 2 2.6%
10 Germany 1 1.3%
11 Hong Kong 1 1.3%
12 United Kingdom 1 1.3%
13 North Macedonia 1 1.3%