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 52 38%
2 United States 27 19.7%
3 Netherlands 13 9.5%
4 Germany 8 5.8%
5 Hong Kong 7 5.1%
6 Ireland 6 4.4%
7 Singapore 5 3.6%
8 Spain 5 3.6%
9 Malaysia 3 2.2%
10 Canada 3 2.2%
11 France 2 1.5%
12 India 2 1.5%
13 United Kingdom 2 1.5%
14 Kazakhstan 1 0.7%
15 Australia 1 0.7%