Nov 22 (Reuters) - Chinese companies are at the forefront of global stock offerings this year, with their issuances being facilitated by easy monetary settings at home and a lack of clarity on access to offshore capital markets. According to Refinitiv data, Chinese companies have raised $71.2 billion through initial public offerings (IPOs) in the domestic and overseas markets this year, which is lower than the $98.48 billion raised in the same period last year. But it's much higher compared to the U.S. companies' issuance of $17.3 billion and Europe's $16.4 billion so far. The increase in mainland IPOs comes...