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 54 59.3%
2 Germany 10 11%
3 United States 8 8.8%
4 United Kingdom 6 6.6%
5 South Africa 2 2.2%
6 Australia 2 2.2%
7 Portugal 2 2.2%
8 Russia 1 1.1%
9 Brazil 1 1.1%
10 Greece 1 1.1%
11 India 1 1.1%
12 Malaysia 1 1.1%
13 Moldova, Republic of 1 1.1%
14 Taiwan 1 1.1%