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 122 56.7%
2 United States 31 14.4%
3 Germany 14 6.5%
4 Netherlands 13 6%
5 France 10 4.7%
6 Hong Kong 8 3.7%
7 Taiwan 6 2.8%
8 Malaysia 5 2.3%
9 Canada 3 1.4%
10 Singapore 1 0.5%
11 Korea, Republic of 1 0.5%
12 Turkey 1 0.5%