function SendPollutionStats()
  if not (settings.global["factorio-prometheus-exporter-export_pollution_stats"].value) then
    return
  end
  local pollutionParts = {}
  pollutionParts[#pollutionParts+1] = "---pollution-stats---\n"
  for _,surface in pairs(game.surfaces) do
    local surface_name = surface.name

    local pollution_input = game.surfaces[surface_name].pollution_statistics.input_counts
    local pollution_output = game.surfaces[surface_name].pollution_statistics.output_counts
    
    if surface.platform ~= nil then
      surface_name = surface.platform.name
    end
      
    for name, stat in pairs(pollution_input) do
      pollutionParts[#pollutionParts+1] = ("%s:in:%s:%d"):format(surface_name,name, stat)
    end

    for name, stat in pairs(pollution_output) do
      pollutionParts[#pollutionParts+1] = ("%s:out:%s:%d"):format(surface_name,name, stat)
    end
    
  end
  helpers.send_udp(udpAddress, table.concat(pollutionParts,"\n"),serverIndex)
end

function SendKillStats()
  if not (settings.global["factorio-prometheus-exporter-export_kill_stats"].value) then
    return
  end
  local killParts = {}
  killParts[#killParts+1] = "---kill-stats---\n"
  for _,surface in pairs(game.surfaces) do
    local surface_name = surface.name

    local kill_input = game.forces["player"].get_kill_count_statistics(surface_name).input_counts
    local kill_output = game.forces["player"].get_kill_count_statistics(surface_name).output_counts
    
    if surface.platform ~= nil then
      surface_name = surface.platform.name
    end
      
    for name, stat in pairs(kill_input) do
      killParts[#killParts+1] = ("%s:in:%s:%d"):format(surface_name,name, stat)
    end

    for name, stat in pairs(kill_output) do
      killParts[#killParts+1] = ("%s:out:%s:%d"):format(surface_name,name, stat)
    end
    
  end
  helpers.send_udp(udpAddress, table.concat(killParts,"\n"),serverIndex)
end