from typing import List
from typing import Dict
from typing import Tuple


def count_anomalies(points: List[Dict]) -> Tuple[int, int]:
    """Returns a count of overall anomalies and subdim anomalies."""
    total = len(points)
    overall = sum(1 for point in points if point["Dimension"] == "Overall KPI")
    subdims = total - overall
    return overall, subdims