How do I get the script to stop compounding the totalPoints from all issues?

[David McEwan]

import java.lang.Double

import com.atlassian.jira.bc.issue.search.SearchService

import com.atlassian.jira.component.ComponentAccessor

import com.atlassian.jira.jql.parser.JqlQueryParser

import com.atlassian.jira.issue.ModifiedValue

import com.atlassian.jira.issue.util.DefaultIssueChangeHolder

def customFieldManager = ComponentAccessor.getCustomFieldManager()

def issueManager = ComponentAccessor.getIssueManager()

def searchService = ComponentAccessor.getOSGiComponentInstanceOfType(SearchService)

def user = ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()

def highestOprStratField = customFieldManager.getCustomFieldObjectsByName("Annual Award")[0]

def jqlQueryParser = ComponentAccessor.getOSGiComponentInstanceOfType(JqlQueryParser)

def query = jqlQueryParser.parseQuery("issuetype = Personnel")

def results = searchService.search(user, query, com.atlassian.jira.web.bean.PagerFilter.getUnlimitedFilter())

def totalPoints = 0

def pointsMap = ["Yes": 5, "No": 0]

def pointsField = customFieldManager.getCustomFieldObjectsByName("Annual Award Points")[0]

results.getResults().each { issue ->

    def highestOprStratValue = issue.getCustomFieldValue(highestOprStratField)

    if (highestOprStratValue != null) {

        totalPoints += pointsMap.get(highestOprStratValue.toString(), 0)

    }

    // Update the issue with the calculated points

    def changeHolder = new DefaultIssueChangeHolder()

    pointsField.updateValue(null, issue, new ModifiedValue(issue.getCustomFieldValue(pointsField), totalPoints as Double), changeHolder)

    def mutableIssue = issueManager.getIssueObject(issue.getKey())

    issueManager.updateIssue(user, mutableIssue, com.atlassian.jira.event.type.EventDispatchOption.ISSUE_UPDATED, false)

}

return totalPoints