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 192 55.8%
2 United States 77 22.4%
3 Germany 33 9.6%
4 Taiwan 13 3.8%
5 Australia 7 2%
6 Singapore 3 0.9%
7 Turkey 3 0.9%
8 Netherlands 2 0.6%
9 Switzerland 2 0.6%
10 Canada 2 0.6%
11 Hong Kong 2 0.6%
12 India 2 0.6%
13 Japan 2 0.6%
14 Korea, Republic of 2 0.6%
15 Malaysia 1 0.3%
16 Mauritius 1 0.3%