You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: statistics_helper.rb
    path of file: ./repos/Sitepoint-source/Graphs_with_Chartkick/app/helpers
    
    the code of the file until where you have to start completion: module StatisticsHelper
  def sporters_by_country
    column_chart sporters_by_country_charts_path, library: {
        title: {text: 'Sporters by country', x: -20},
        yAxis: {
            title: {
                text: 'Sporters count'
        
    
  def sporters_by_age
    bar_chart sporters_by_age_charts_path, height: '500px', library: {
        title: {text: 'Sporters by age', x: -20},
        yAxis: {
            allowDecimals: false,
            title: {
                text: 'Ages count'
            }
        },
        xAxis: {
            title: {
                text: 'Age'
            }
        }
    }
  end