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 235 49%
2 United States 126 26.2%
3 Germany 40 8.3%
4 Hong Kong 20 4.2%
5 Japan 10 2.1%
6 Singapore 9 1.9%
7 Australia 8 1.7%
8 Canada 6 1.2%
9 Taiwan 6 1.2%
10 Malaysia 4 0.8%
11 Ukraine 3 0.6%
12 Portugal 2 0.4%
13 Turkey 2 0.4%
14 Turkmenistan 2 0.4%
15 Korea, Republic of 2 0.4%
16 Luxembourg 2 0.4%
17 Netherlands 1 0.2%
18 Thailand 1 0.2%
19 Switzerland 1 0.2%