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 242 63.2%
2 United States 67 17.5%
3 Germany 37 9.7%
4 Taiwan 11 2.9%
5 Hong Kong 8 2.1%
6 Moldova, Republic of 3 0.8%
7 Singapore 3 0.8%
8 Korea, Republic of 2 0.5%
9 Malaysia 2 0.5%
10 France 2 0.5%
11 Canada 2 0.5%
12 Australia 1 0.3%
13 Italy 1 0.3%
14 Japan 1 0.3%
15 Macao 1 0.3%