What are the metrics to measure social media marketing success?

Merely a present in social media is not enough for a brand. You have created various social media channels for your brand like Facebook,Twitter,Instagram and etc. You respond to your customers questions, publish regular posts and get fans for your social media channels. But how do you measure the success of your social media marketing campaign? for that you need to monitor and track the following social media marketing metrics.

• Social media campaign volume
• Your social media posts reach
• Engagement you get for your social media post
• Influence - How many people talking about your brand
• Share of voice metric of your social media campaign

Guys, do you know any other metrics to measure social media marketing success?