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 179 59.3%
2 United States 46 15.2%
3 Germany 42 13.9%
4 Australia 4 1.3%
5 Canada 4 1.3%
6 Malaysia 4 1.3%
7 Netherlands 3 1%
8 Japan 3 1%
9 Russia 3 1%
10 Taiwan 3 1%
11 Turkey 2 0.7%
12 India 2 0.7%
13 Brazil 2 0.7%
14 Greece 1 0.3%
15 Hong Kong 1 0.3%
16 Ukraine 1 0.3%
17 United Kingdom 1 0.3%
18 Romania 1 0.3%