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 43%
2 United States 16 13.2%
3 Netherlands 15 12.4%
4 Singapore 8 6.6%
5 Germany 8 6.6%
6 Hong Kong 3 2.5%
7 Kazakhstan 3 2.5%
8 Canada 3 2.5%
9 Taiwan 3 2.5%
10 Thailand 2 1.7%
11 Australia 2 1.7%
12 Japan 2 1.7%
13 Korea, Republic of 1 0.8%
14 Malaysia 1 0.8%
15 France 1 0.8%
16 Timor-Leste 1 0.8%