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 191 54.6%
2 United States 59 16.9%
3 Germany 40 11.4%
4 Canada 15 4.3%
5 Netherlands 15 4.3%
6 Taiwan 12 3.4%
7 Hong Kong 7 2%
8 Turkey 4 1.1%
9 Singapore 2 0.6%
10 India 1 0.3%
11 Ghana 1 0.3%
12 Congo, The Democratic Republic of The 1 0.3%
13 Australia 1 0.3%
14 Brazil 1 0.3%