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 104 53.3%
2 United States 25 12.8%
3 Netherlands 14 7.2%
4 Russia 12 6.2%
5 Germany 12 6.2%
6 France 8 4.1%
7 Canada 6 3.1%
8 Hong Kong 6 3.1%
9 Malaysia 4 2.1%
10 Moldova, Republic of 2 1%
11 Brunei Darussalam 1 0.5%
12 Singapore 1 0.5%