How much does China spend on AI?

Can you shed some light on the financial commitment that China has made towards artificial intelligence? Specifically, how much are they investing annually, and what are the key sectors or projects that are receiving the bulk of this funding? Are there any notable trends or changes in their spending patterns over the recent years that we should be aware of? Understanding the financial aspect of China's AI endeavors is crucial in assessing their progress and potential impact on the global landscape.